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Black 80mm square frame 38mm thick 4-pin PWM case fan

SXDOOL

SXDOOL NMB 3115RL-04W-B96 80mm 12V 3A PWM Case Fan

SKU CH-HYPR-EMK6H

80 mm dual-ball-bearing PWM fan spinning up to 7000 RPM with 31 cm 4-pin lead

  • TypeCase Fan
  • Fan Size80mm
  • Bearing Type2 Ball
  • RPM>7000 RPM
  • Power Connector4 Pin
  • ColorBlack
  • 4-pin PWM control adjusts speed from 1000 to 8500 RPM
  • Dual ball bearing rated for 180000 operating hours
  • 80 × 80 × 38 mm frame fits standard 80 mm mounts
  • 12 V 3 A power draw delivers high airflow
  • 31 cm cable reaches most motherboard headers

SXDOOL NMB 3115RL-04W-B96 80mm PWM Fan

This 80mm case fan uses a double-ball bearing and a 4-pin PWM connector for motherboard speed control. It runs on 12V power with a 3A rating and reaches speeds above 7000 RPM. The black, non-LED frame measures 80 by 80 by 38mm with a 31cm lead.

Suited for tight builds needing high airflow at 12V

Builders fitting an 80mm mount with a 4-pin header can use the wide 1000 to 8500 RPM range for targeted cooling. The 3A draw demands a header or controller rated for that current. It is not for systems limited to lower-amperage fan headers, silent-priority builds, or cases that only accept 25mm or thinner fans.

Double-ball bearing rated for 180000 hours

The bearing type is the key durability spec; double-ball construction targets long service life in continuous operation. PWM control allows the motherboard to adjust speed between the stated minimum and maximum. Verify that your board’s 4-pin header can supply 3A before installing.

Highlights

  • 4-pin PWM control adjusts speed from 1000 to 8500 RPM
  • Dual ball bearing rated for 180000 operating hours
  • 80 × 80 × 38 mm frame fits standard 80 mm mounts
  • 12 V 3 A power draw delivers high airflow
  • 31 cm cable reaches most motherboard headers

Specifications

TypeCase Fan
Fan Size80mm
Bearing Type2 Ball
RPM>7000 RPM
Power Connector4 Pin
ColorBlack
LEDNon-LED

Questions about this item

How do I install the 80mm 12V PWM fan and which step do people often get wrong?

Mount the 80×80×38mm frame with four screws, connect the 4-pin 2510 connector to the motherboard PWM header, and route the 31cm cable; the step most often missed is plugging into the PWM header instead of a 3-pin voltage header, which disables speed control.

What maintenance or replacement will the double ball bearing fan need later?

The double ball bearing is rated for 180000 hours; no lubrication is required, but expect eventual bearing wear — plan to replace the entire fan once noise or vibration appears after that service interval.

What limit appears first during sustained high-speed operation?

At speeds above 7000 RPM up to the 8500 RPM maximum the 3A current draw becomes the limiting factor — ensure the motherboard header or fan controller can supply 12V at 3A continuously or the fan will throttle or shut down.

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